Open source focus

Open Source Alternatives to Vatsam

12 open source Voice AI options similar to Vatsam, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Vocode50
Open SourceSan Francisco, United States$3.8M
Open-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Rasa49
Conversational AIBerlin, Germany$13.0M
Open-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Coqui48
Voice AIBerlin, Germany$2.0M
Open-source AI models for voice synthesis, translation, and TTS.
Open source · Self-hostable
DocsGPT8
Open Source
Open-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
Sharedos8
Agentic AI
Open-source infrastructure for permissioned agent-to-agent communication: a deny-by-default kernel for file access and tool calls, with pluggable agent runtimes.
Open source
Kyutai68
Frontier AI LabParis, France$300.0M
A non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
CIQ59
Artificial IntelligenceReno, United States$26.0M
Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
K-Scale Labs40
Frontier AI LabSan Francisco, United States
Building general-purpose AI for a future of material abundance.
Open source · Self-hostable
pyannote SAS23
Speech RecognitionParis, France
Company
Open source
Agentjail10
Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
WSO254
Artificial IntelligencePalo Alto, USA$63.0M
An open-source technology provider offering an open control plane for AI agents.
Open source · Self-hostable
Archestra.AI50
Artificial IntelligenceLondon, United Kingdom$10.0M
An open-source platform enabling enterprises to securely connect sensitive data to AI agents.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
VocodeOpen-source library for building hyper-realistic voice agents and conversational AI applications.	Open Source	Open source · Self-hostable	San Francisco, United States	$3.8M	50
RasaOpen-source conversational AI platform for building custom chatbots and virtual assistants.	Conversational AI	Open source · Self-hostable	Berlin, Germany	$13.0M	49
CoquiOpen-source AI models for voice synthesis, translation, and TTS.	Voice AI	Open source · Self-hostable	Berlin, Germany	$2.0M	48
DocsGPTOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.	Open Source	Open source · Self-hostable	—	—	8
SharedosOpen-source infrastructure for permissioned agent-to-agent communication: a deny-by-default kernel for file access and tool calls, with pluggable agent runtimes.	Agentic AI	Open source	—	—	8
KyutaiA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.	Frontier AI Lab	Open source · Self-hostable	Paris, France	$300.0M	68
CIQSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.	Artificial Intelligence	Open source	Reno, United States	$26.0M	59
K-Scale LabsBuilding general-purpose AI for a future of material abundance.	Frontier AI Lab	Open source · Self-hostable	San Francisco, United States	—	40
pyannote SASCompany	Speech Recognition	Open source	Paris, France	—	23
AgentjailPolicy guardrails for coding agents to block dangerous tool calls before they are fired.	Agentic AI	Open source	—	—	10
WSO2An open-source technology provider offering an open control plane for AI agents.	Artificial Intelligence	Open source · Self-hostable	Palo Alto, USA	$63.0M	54
Archestra.AIAn open-source platform enabling enterprises to securely connect sensitive data to AI agents.	Artificial Intelligence	Open source · Self-hostable	London, United Kingdom	$10.0M	50